Geology of Michigan

By: AP
By: AP

The Cranbrook Institute of Science is showcasing a new DVD about Michigan's geological history.
The title of the DVD is "The Geology of Michigan: An Expedition Through Deep Time." The Institute of Science is offering a free screening at the suburban Detroit museum on Friday evening to celebrate.
The DVD was developed and researched by John Zawiskie, who is a geologist and paleontologist with the Institute of Science. Zawiskie collaborated with Bloomfield Hills-based Program Source International on the project.
The 60-minute video examines the geological history of what would become Michigan explains the creation of the Great Lakes. Highlights include segments on underground salt deposits in Detroit and the formation of Petoskey stones. is happy to provide a forum for commenting and discussion. Please respect and abide by the house rules:

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